Guide: What Are ODPs in NIST 800-171 Rev 3?
The shift from NIST SP 800-171 revision 2 to revision 3 includes a lot of changes, which we've already covered from a bird's-eye view over in this post. One of the biggest changes in Rev 3 is the introduction of ODPs, or Organization-Defined Parameters. These are very important for compliance with CMMC moving forward, but they're still something of a mystery to some security professionals, and are worth explaining. What are they, how do you define them, and how do you use them for compliance?